16899080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{193}}^1\times {\mathrm{199}}^1$

素因数の和:414

約数の個数: 64

約数和(自身を含む): 41904000

約数和(自身を除く): 25004920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 193, 199, 220, 386, 398, 440, 772, 796, 965, 995, 1544, 1592, 1930, 1990, 2123, 2189, 3860, 3980, 4246, 4378, 7720, 7960, 8492, 8756, 10615, 10945, 16984, 17512, 21230, 21890, 38407, 42460, 43780, 76814, 84920, 87560, 153628, 192035, 307256, 384070, 422477, 768140, 844954, 1536280, 1689908, 2112385, 3379816, 4224770, 8449540, 16899080]

約数ペア:

[(1, 16899080), (2, 8449540), (4, 4224770), (5, 3379816), (8, 2112385), (10, 1689908), (11, 1536280), (20, 844954), (22, 768140), (40, 422477), (44, 384070), (55, 307256), (88, 192035), (110, 153628), (193, 87560), (199, 84920), (220, 76814), (386, 43780), (398, 42460), (440, 38407), (772, 21890), (796, 21230), (965, 17512), (995, 16984), (1544, 10945), (1592, 10615), (1930, 8756), (1990, 8492), (2123, 7960), (2189, 7720), (3860, 4378), (3980, 4246)]